Jumping out of a plane with nothing but a parachute stuffed into a bag strapped to your back.

For many it’s a nightmarish prospect, but for others it’s a thrill they live for.

However, there is a safer, inside version of skydiving on the rise and Macarthur’s home to some of the best indoor “flyers”.

Four Macarthur residents will take to the “tunnel” – the box where indoor skydivers fly – for two consecutive days beginning on Friday, August 18 for the third annual Indoor Skydiving Championships in Penrith.